// import parseTime, formatTime and set to filter

/**
 * Show plural label if time is plural number
 * @param {number} time
 * @param {string} label
 * @return {string}
 */
function pluralize(time, label) {
    if (time === 1) {
        return time + label
    }
    return time + label + 's'
}

/**
 * @param {number} time
 */
export function timeAgo(time) {
    const between = Date.now() / 1000 - Number(time)
    if (between < 3600) {
        return pluralize(~~(between / 60), ' minute')
    } else if (between < 86400) {
        return pluralize(~~(between / 3600), ' hour')
    } else {
        return pluralize(~~(between / 86400), ' day')
    }
}

/**
 * Number formatting
 * like 10000 => 10k
 * @param {number} num
 * @param {number} digits
 */
export function numberFormatter(num, digits) {
    const si = [
        { value: 1E18, symbol: 'E' },
        { value: 1E15, symbol: 'P' },
        { value: 1E12, symbol: 'T' },
        { value: 1E9, symbol: 'G' },
        { value: 1E6, symbol: 'M' },
        { value: 1E3, symbol: 'k' }
    ]
    for (let i = 0; i < si.length; i++) {
        if (num >= si[i].value) {
            return (num / si[i].value).toFixed(digits).replace(/\.0+$|(\.[0-9]*[1-9])0+$/, '$1') + si[i].symbol
        }
    }
    return num.toString()
}

/**
 * 10000 => "10,000"
 * @param {number} num
 */
export function toThousandFilter(num) {
    return (+num || 0).toString().replace(/^-?\d+/g, m => m.replace(/(?=(?!\b)(\d{3})+$)/g, ','))
}

/**
 * Upper case first char
 * @param {String} string
 */
export function uppercaseFirst(string) {
    return string.charAt(0).toUpperCase() + string.slice(1)
}

export function parseTime(time, cFormat) {
    if (arguments.length === 0) {
        return null
    }

    if ((time + '').length === 10) {
        time = +time * 1000
    }

    const format = cFormat || '{y}-{m}-{d} {h}:{i}:{s}'
    let date
    if (typeof time === 'object') {
        date = time
    } else {
        date = new Date(parseInt(time))
    }
    const formatObj = {
        y: date.getFullYear(),
        m: date.getMonth() + 1,
        d: date.getDate(),
        h: date.getHours(),
        i: date.getMinutes(),
        s: date.getSeconds(),
        a: date.getDay()
    }
    const timeStr = format.replace(/{(y|m|d|h|i|s|a)+}/g, (result, key) => {
        let value = formatObj[key]
        if (key === 'a') {
            return ['一', '二', '三', '四', '五', '六', '日'][value - 1]
        }
        if (result.length > 0 && value < 10) {
            value = '0' + value
        }
        return value || 0
    })
    return timeStr
}
// 格式化时间的过滤器
export function formatTime(time, option) {
    time = +time * 1000
    const d = new Date(time)
    const now = Date.now()

    const diff = (now - d) / 1000

    if (diff < 30) {
        return '刚刚'
    } else if (diff < 3600) {
        // less 1 hour
        return Math.ceil(diff / 60) + '分钟前'
    } else if (diff < 3600 * 24) {
        return Math.ceil(diff / 3600) + '小时前'
    } else if (diff < 3600 * 24 * 2) {
        return '1天前'
    }
    if (option) {
        return parseTime(time, option)
    } else {
        return (
            d.getMonth() +
            1 +
            '月' +
            d.getDate() +
            '日' +
            d.getHours() +
            '时' +
            d.getMinutes() +
            '分'
        )
    }
}
export function getNowFormatDate() {
    var date = new Date()
    var seperator1 = '-'
    var year = date.getFullYear()
    var month = date.getMonth() + 1
    var strDate = date.getDate()
    if (month >= 1 && month <= 9) {
        month = '0' + month
    }
    if (strDate >= 0 && strDate <= 9) {
        strDate = '0' + strDate
    }
    var currentdate = year + seperator1 + month + seperator1 + strDate
    return currentdate
}
/* 数字 格式化 */
export function nFormatter(num, digits) {
    const si = [{
            value: 1e18,
            symbol: 'E'
        },
        {
            value: 1e15,
            symbol: 'P'
        },
        {
            value: 1e12,
            symbol: 'T'
        },
        {
            value: 1e9,
            symbol: 'G'
        },
        {
            value: 1e6,
            symbol: 'M'
        },
        {
            value: 1e3,
            symbol: 'k'
        }
    ]
    for (let i = 0; i < si.length; i++) {
        if (num >= si[i].value) {
            return (
                (num / si[i].value + 0.1)
                .toFixed(digits)
                .replace(/\.0+$|(\.[0-9]*[1-9])0+$/, '$1') + si[i].symbol
            )
        }
    }
    return num.toString()
}

export function html2Text(val) {
    const div = document.createElement('div')
    div.innerHTML = val
    return div.textContent || div.innerText
}

export function toThousandslsFilter(num) {
    return (+num || 0)
        .toString()
        .replace(/^-?\d+/g, m => m.replace(/(?=(?!\b)(\d{3})+$)/g, ','))
}
// 验证手机号
export function checkPhone(rule, value, callback) {
    if (!value) {
        return callback(new Error('手机号不能为空'))
    } else {
        const reg = /^1[3|4|5|7|8][0-9]\d{8}$/
        if (reg.test(value)) {
            callback()
        } else {
            return callback(new Error('请输入正确的手机号'))
        }
    }
}
export function checkPassword(rule, value, callback) {
    if (!value) {
        return callback(new Error('密码不能为空'))
    } else if (value.length < 6) {
        callback(new Error('请至少输入 6 个字符。请不要使用容易被猜到的密码'))
    } else {
        callback()
    }
}
// 手机号证验证
export function checkTel(value, callback) {
    var reg = /^1[3|4|5|7|8][0-9]\d{8}$/
    return reg.test(value)
}
// 身份证验证
export function checkiDNumber(value, callback) {
    var reg = /\d{17}[\d|x]|\d{15}/
    return reg.test(value)
}
// 身份证验证
export function checkEmails(value, callback) {
    var reg = /^[A-Za-zd]+([-_.][A-Za-zd]+)*@([A-Za-zd]+[-.])+[A-Za-zd]{2,5}$/
    return reg.test(value)
}
// 邮箱验证
export function checkEmail(rule, value, callback) {
    if (!value) {
        return callback(new Error('邮箱不能为空'))
    } else {
        var reg = /^[A-Za-zd]+([-_.][A-Za-zd]+)*@([A-Za-zd]+[-.])+[A-Za-zd]{2,5}$/
        if (reg.test(value)) {
            callback()
        } else {
            return callback(new Error('请输入正确的邮箱'))
        }
    }
}
// 英文验证
export function checkCode(value, callback) {
    var reg = /^[A-Za-z]+$/g
    return reg.test(value)
}
// qq验证
export function checkQq(value, callback) {
    var reg = /^[0-9]+$/g
    return reg.test(value)
}
// 银行卡号
export function formatBankNo(BankNo, callback) {
    var strBin = '10,18,30,35,37,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,58,60,62,65,68,69,84,87,88,94,95,98,99'
    return strBin
}
export function getStrleng(str, max) {
    var myLen = 0
    for (var i = 0; i < str.length && myLen <= max * 2; i++) {
        if (str.charCodeAt(i) > 0 && str.charCodeAt(i) < 128) {
            myLen++
        } else myLen += 2
    }
    return myLen
}
// 上传图片格式控制
export function updatedImg(file, obj, callback, func) {
    if (file.size < 10100000) {
        var fileName = file.name
        var suffix = fileName
            .substring(fileName.lastIndexOf('.') + 1)
            .toUpperCase()
        if (
            suffix === 'PDF' ||
            suffix === 'JPG' ||
            suffix === 'JPEG' ||
            suffix === 'PNG' ||
            suffix === 'GIF'
        ) {
            return true
        } else {
            var tipType = '文件类型不正确,请重新上传'
            callback(tipType)
            return false
        }
    } else {
        var tipSize = '文件大小超过5M,请重新上传'
        callback(tipSize)
        return false
    }
}
// 上传文档格式控制
export function updatedFile(file, obj, callback, func) {
    if (file.size < 10100000) {
        var fileName = file.name
        var suffix = fileName
            .substring(fileName.lastIndexOf('.') + 1)
            .toUpperCase()
        if (
            suffix === 'DOC' ||
            suffix === 'DOCX' ||
            suffix === 'XLS' ||
            suffix === 'XLSX' ||
            suffix === 'PDF' ||
            suffix === 'ZIP' ||
            suffix === 'RAR'
        ) {
            return true
        } else {
            var tipType = '文件类型不正确,请重新上传'
            callback(tipType)
            return false
        }
    } else {
        var tipSize = '文件大小超过5M,请重新上传'
        callback(tipSize)
        return false
    }
}
export function importFile(file, obj, callback, func) {
    if (file.size < 10100000) {
        var fileName = file.name
        var suffix = fileName
            .substring(fileName.lastIndexOf('.') + 1)
            .toUpperCase()
        if (
            suffix === 'XLS' ||
            suffix === 'XLSX'
        ) {
            return true
        } else {
            var tipType = '文件类型不正确,请重新上传'
            callback(tipType)
            return false
        }
    } else {
        var tipSize = '文件大小超过10M,请重新上传'
        callback(tipSize)
        return false
    }
}
export function minHeight(resfile) {
    return document.body.clientHeight - 180 + 'px'
}

export function formatDate(date, fmt = 'yyyy-MM-dd') {
    if (!(date instanceof Array)) {
        date = new Date(date)
    }
    if (/(y+)/.test(fmt)) {
        fmt = fmt.replace(RegExp.$1, (date.getFullYear() + '').substr(4 - RegExp.$1.length))
    }
    const o = {
        'M+': date.getMonth() + 1,
        'd+': date.getDate(),
        'h+': date.getHours(),
        'm+': date.getMinutes(),
        's+': date.getSeconds()
    }
    for (const k in o) {
        if (new RegExp(`(${k})`).test(fmt)) {
            const str = o[k] + ''
            fmt = fmt.replace(RegExp.$1, (RegExp.$1.length === 1) ? str : padLeftZero(str))
        }
    }
    return fmt
}

function padLeftZero(str) {
    return ('00' + str).substr(str.length)
}
export function getBlob(response) {
    const blob = new Blob([response.data], {
        type: 'application/vnd.ms-excel'
    })
    const link = document.createElement('a')
    link.href = window.URL.createObjectURL(blob)
    var filename = decodeURI(response.headers.filename)
        // link.download = filename + '.xls'
    link.download = filename
    link.click()
}
// 图片 blob 流转化为可用 src
export function imgHandle(obj) {
    return window.URL.createObjectURL(obj)
}